CN213185803U

CN213185803U - Micro generator

Info

Publication number: CN213185803U
Application number: CN202022509512.4U
Authority: CN
Inventors: 莫建学
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-11
Anticipated expiration: 2030-11-03

Abstract

The utility model provides a micro generator, which comprises a motor shell and a water inlet cavity, a coil shell is arranged in the motor shell, copper coils are symmetrically and fixedly arranged on two sides of the coil shell, a strong magnet with a cylindrical structure is arranged in the coil shell, the strong magnet and the coil shell are arranged along the same axial lead, a rotating shaft is fixedly penetrated through the center of the strong magnet, a first bearing is sleeved on the top end of the rotating shaft, a motor upper cover is covered on the outer part of the top end of the rotating shaft, a first mounting groove is concavely arranged on the bottom surface of the motor upper cover, the first bearing is fixedly embedded in the first mounting groove, the motor upper cover is fixedly connected with the coil shell, a second bearing is sleeved in the middle part of the rotating shaft, a second mounting groove is concavely arranged on the bottom surface of the inner cavity of the coil shell, the second bearing is fixedly embedded in the second mounting groove, the rotating shaft extends out of the coil shell and extends into the water inlet cavity, the inductive probe of the temperature sensor extends out of the motor shell downwards and is positioned at the water outlet of the water inlet cavity.

Description

Micro generator

Technical Field

The utility model belongs to the technical field of machinery, a hydroelectric generator, especially a microgenerator are related to.

Background

The generator is mechanical equipment for converting energy in other forms into electric energy, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, and converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then the mechanical energy is converted into electric energy by the generator.

The existing micro generator can not generate electricity or generate electricity at low pressure and low water flow, has short service life and no practical significance, and is easy to block due to impurities in water. In addition, the temperature measuring function is not provided, and the temperature and the flow velocity of the water flow cannot be sensed and measured. Therefore, the working condition environment of the generator cannot be detected, and the power generation operation cannot be correspondingly adjusted. In addition, the rotating shaft of the existing micro-generator is easily interfered by a machine shell in operation, so that the generating capacity is reduced, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having above-mentioned problem to current technique, provided one kind through turbine drive and can perceive rivers temperature and velocity of flow, realized the reply nature adjustment and generate electricity operating mode to extension working life's microgenerator.

The purpose of the utility model can be realized by the following technical proposal: a micro generator comprises a motor shell and a water inlet cavity which are arranged along the same axial lead, the motor shell and the water inlet cavity are fixedly connected through a plurality of connecting rods, a coil shell is arranged in a hollow cavity of the motor shell, copper coils are symmetrically and fixedly arranged on two sides of the coil shell, strong magnets in a cylindrical structure are arranged in the coil shell, the strong magnets and the coil shell are arranged along the same axial lead, a rotating shaft is fixedly penetrated through the center of the strong magnets, a first bearing is sleeved on the top end of the rotating shaft, a motor upper cover is covered outside the top end of the rotating shaft, a first mounting groove is concavely arranged on the bottom surface of the motor upper cover, the first bearing is fixedly embedded in the first mounting groove, the motor upper cover is fixedly connected with the coil shell, a second bearing is sleeved on the middle part of the rotating shaft, a second mounting groove is concavely arranged on the bottom surface of an inner cavity of the coil shell, and the second bearing is, the rotating shaft is characterized in that the coil shell extends out of and into the water inlet cavity, the lower end of the rotating shaft is located in the water inlet cavity and fixedly connected with the turbine, a water inlet is formed in the bottom of the water inlet cavity, a water outlet is formed in the top of the water inlet cavity, a temperature sensor is fixedly arranged in the motor shell, and an induction probe of the temperature sensor extends out of the motor shell and is located at the water outlet of the water inlet cavity.

The working principle of the micro generator is that water flow flows into the water inlet of the water inlet cavity to push the turbine to rotate in operation, so that the rotating shaft fixedly connected with the turbine is rotated synchronously, the magnetic field of the strong magnet is driven to rotate synchronously, the magnetic field of the strong magnet cuts the induction copper coil to generate induction current, and the alternating voltage is output through the output end of the induction coil to realize the purpose of hydroelectric generation. Through setting up the temperature-sensing ware in the delivery port department of the cavity of intaking to sensing rivers velocity of flow and temperature, thereby learn the change of the operating mode environment that the generator is located at every moment, be favorable to making the adjustment according to environmental change, extension generator working life.

In the micro-generator, the mounting groove of the upper cover of the motor is communicated with a rolling chute, a ball is arranged in the rolling chute, and the spherical surface of the ball is exposed out of the rolling chute and contacts with the top end of the rotating shaft.

When the pivot rotated, pivot contact ball made the ball also take place to rotate, and both take place rolling contact promptly, avoided motor upper cover to take place wearing and tearing to the pivot tip from this, extension pivot life to reinforcing pivot pivoted flexibility ratio improves the generating efficiency.

In foretell microgenerator, the pivot lower extreme has half breach, the turbine center has the mounting hole, set up half protruding axle in the mounting hole, the pivot lower extreme stretches into the mounting hole makes half breach with half protruding axle coincide and form the circumference joint.

In the micro-generator, the motor shell is internally provided with the mounting seat, the mounting seat is provided with the arc hole, and the temperature sensor is fixedly penetrated in the arc hole.

In the micro-generator, cylindrical positioning columns are arranged on two sides of the upper cover of the motor, cylindrical holes are formed in two sides of the coil shell, and the two positioning columns penetrate into the two cylindrical holes in a one-to-one correspondence manner to form positioning matching connection.

In the micro-generator, the periphery of the rotating shaft is sleeved with the sealing ring, and the sealing ring is positioned between the turbine and the coil shell.

In the above-mentioned micro-generator, an external thread is provided on the outer wall of the motor housing.

In the micro generator, the periphery of the motor shell is concavely provided with the annular groove, the annular groove is internally embedded with the O-shaped ring, and the O-shaped ring is positioned above the external thread.

Compared with the prior art, the micro generator has the following advantages:

1. large particle impurities in water are driven by the turbine to be thrown out along with the rotation of the turbine, a sealing ring is arranged between the turbine and the coil shell, and small particle impurities in the water cannot enter the bearing, so that the motor cannot be clamped due to the problem of water quality in work, and the normal work power generation of the motor under various water quality working conditions is guaranteed.

2. Through setting up the temperature-sensing ware in the delivery port department of the cavity of intaking to sensing rivers velocity of flow and temperature, thereby learn the change of the operating mode environment that the generator is located at every moment, be favorable to making the adjustment according to environmental change, extension generator working life.

3. The rolling support point is formed by the rolling action of the balls, so that the end part of the rotating shaft is prevented from being abraded by the upper cover of the motor, the service life of the rotating shaft is prolonged, the rotating flexibility of the rotating shaft is enhanced, and the power generation efficiency is improved.

Drawings

Fig. 1 is an assembled sectional structural view of the present micro-generator.

Fig. 2 is a perspective view of the components of the micro-generator.

Fig. 3 is a front view of the micro-generator.

Fig. 4 is a front view of the interior of the micro-generator.

Fig. 5 is a top view of the micro-generator.

In the figure, 1, an upper cover of a motor; 2. a ball bearing; 3. a first bearing; 4. a rotating shaft; 5. strong magnets; 6. a second bearing; 7. a coil housing; 8. a copper coil; 9. a temperature sensor; 10. a motor housing; 11. a mounting seat; 12. an O-shaped ring; 13. a seal ring; 14. a turbine; 15. a water inlet cavity.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the micro-generator comprises a motor housing 10 and a water inlet cavity 15 which are arranged along the same axial line, the motor housing 10 and the water inlet cavity 15 are fixedly connected through a plurality of connecting rods, a coil housing 7 is arranged in a hollow cavity of the motor housing 10, copper coils 8 are symmetrically and fixedly arranged on two sides of the coil housing 7, a strong magnet 5 in a cylindrical structure is arranged in the coil housing 7, the strong magnet 5 and the coil housing 7 are arranged along the same axial line, a rotating shaft 4 is fixedly penetrated through the center of the strong magnet 5, a bearing I3 is sleeved on the top end of the rotating shaft 4, a motor upper cover 1 is covered outside the top end of the rotating shaft 4, a first mounting groove is concavely arranged on the bottom surface of the motor upper cover 1, the bearing I3 is fixedly embedded in the first mounting groove, the motor upper cover 1 is fixedly connected with the coil housing 7, a bearing II 6 is sleeved in the middle of the rotating shaft 4, a second mounting groove is, the rotating shaft 4 extends out of the coil casing 7 and extends into the water inlet cavity 15, the lower end of the rotating shaft 4 positioned in the water inlet cavity 15 is fixedly connected with the turbine 14, the bottom of the water inlet cavity 15 is provided with a water inlet, the top of the water inlet is provided with a water outlet, the temperature sensor 9 is fixedly arranged in the motor shell 10, and an inductive probe of the temperature sensor 9 extends out of the motor shell 10 downwards and is positioned at the water outlet of the water inlet cavity 15.

The operating principle of this microgenerator does, rivers flow in through the water inlet of intake cavity 15 and promote turbine 14 rotatory in service to arouse that to link firmly 4 synchronous rotations of pivot of turbine 14, the magnetic field rotation of synchronous drive strong magnet 5, the magnetic field cutting induction copper coil 8 of strong magnet 5 produces induced-current, output alternating voltage through induction coil, realizes hydroelectric generation's purpose. Through setting up temperature-sensing ware 9 in the delivery port department of intake cavity 15 to sensing rivers velocity of flow and temperature, thereby learn the change of the operating mode environment that the generator is located at every moment, be favorable to making the adjustment according to environmental change, extension generator working life.

The intercommunication sets up the roll spout in the mounting groove of motor upper cover 1, sets up ball 2 in the roll spout, and the spherical surface of ball 2 exposes the top of roll spout and contact pivot 4.

When the pivot 4 rotated, 4 contact balls of pivot 2 made ball 2 also take place to rotate, and both take place rolling contact promptly, avoided motor upper cover 1 to take place wearing and tearing to 4 tip of pivot from this, prolonged 4 life of pivot to strengthen 4 pivoted flexibility ratios of pivot, improve the generating efficiency.

The lower end of the rotating shaft 4 is provided with a half notch, the center of the turbine 14 is provided with a mounting hole, a half convex shaft is arranged in the mounting hole, and the lower end of the rotating shaft 4 extends into the mounting hole to enable the half notch and the half convex shaft to be matched to form circumferential clamping.

An installation seat 11 is arranged in the motor shell 10, an arc hole is formed in the installation seat 11, and the temperature sensor 9 is fixedly penetrated in the arc hole.

The both sides of motor upper cover 1 are equipped with cylindrical reference column, and the both sides of coil shell 7 set up the cylinder hole, and two reference columns one-to-one penetrate two cylinder downtheholes and form location fit and connect.

The periphery of the rotating shaft 4 is sleeved with a sealing ring 13, and the sealing ring 13 is positioned between the turbine 14 and the coil shell 7.

The outer wall of the motor housing 10 is provided with external threads.

An annular groove is concavely arranged on the periphery of the motor shell 10, an O-shaped ring 12 is embedded in the annular groove, and the O-shaped ring 12 is positioned above the external thread.

Compared with the prior art, the micro generator has the following advantages:

1. large particle impurities in water are driven by the turbine 14 to be thrown out when the turbine 14 rotates, the sealing ring 13 is arranged between the turbine 14 and the coil shell 7, and small particle impurities in water cannot enter the bearing, so that the motor cannot be clamped due to the problem of water quality in work, and the normal work power generation of the motor under various water quality working conditions is guaranteed.

2. Through setting up temperature-sensing ware 9 in the delivery port department of intake cavity 15 to sensing rivers velocity of flow and temperature, thereby learn the change of the operating mode environment that the generator is located at every moment, be favorable to making the adjustment according to environmental change, extension generator working life.

3. Utilize the roll sliding action of ball 2 to form the roll strong point, avoid motor upper cover 1 to take place wearing and tearing to 4 tip of pivot from this, prolong 4 life of pivot to strengthen 4 pivoted flexibility ratios of pivot, improve the generating efficiency.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the motor upper cover 1 is used more herein; a ball 2; a first bearing 3; a rotating shaft 4; a strong magnet 5; a second bearing 6; a coil case 7; a copper coil 8; a temperature sensor 9; a motor housing 10; a mounting base 11; an O-ring 12; a seal ring 13; a turbine 14; water inlet chamber 15, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A micro generator comprises a motor shell and a water inlet cavity which are arranged along the same axial lead, the motor shell and the water inlet cavity are fixedly connected through a plurality of connecting rods, the micro generator is characterized in that a coil shell is arranged in a hollow cavity of the motor shell, copper coils are symmetrically and fixedly arranged on two sides of the coil shell, strong magnets in a cylindrical structure are arranged in the coil shell, the strong magnets and the coil shell are arranged along the same axial lead, a rotating shaft is fixedly penetrated through the center of the strong magnets, a first bearing is sleeved at the top end of the rotating shaft, a motor upper cover is covered outside the top end of the rotating shaft, a first mounting groove is concavely arranged on the bottom surface of the motor upper cover, the first bearing is fixedly embedded in the first mounting groove, the motor upper cover is fixedly connected with the coil shell, a second bearing is sleeved at the middle part of the rotating shaft, a second mounting groove is concavely arranged on the bottom surface of an inner cavity of the coil shell, and the, the rotating shaft is characterized in that the coil shell extends out of and into the water inlet cavity, the lower end of the rotating shaft is located in the water inlet cavity and fixedly connected with the turbine, a water inlet is formed in the bottom of the water inlet cavity, a water outlet is formed in the top of the water inlet cavity, a temperature sensor is fixedly arranged in the motor shell, and an induction probe of the temperature sensor extends out of the motor shell and is located at the water outlet of the water inlet cavity.

2. The micro-generator according to claim 1, wherein a rolling groove is communicated with the mounting groove of the upper cover of the motor, a ball is disposed in the rolling groove, and a spherical surface of the ball is exposed out of the rolling groove and contacts with the top end of the rotating shaft.

3. The miniature generator of claim 1, wherein the lower end of the rotating shaft has a half notch, the turbine center has a mounting hole, a half protruding shaft is disposed in the mounting hole, and the lower end of the rotating shaft extends into the mounting hole to make the half notch and the half protruding shaft fit together to form a circumferential clamping connection.

4. The miniature generator of claim 1, wherein a mounting seat is disposed in the motor housing, an arc hole is formed in the mounting seat, and the temperature sensor is fixedly inserted into the arc hole.

5. The miniature generator according to claim 1, wherein cylindrical positioning posts are disposed on two sides of the motor upper cover, cylindrical holes are disposed on two sides of the coil housing, and the two positioning posts penetrate into the two cylindrical holes in a one-to-one correspondence manner to form a positioning fit connection.

6. The microgenerator of claim 1, wherein a seal ring is sleeved on the outer periphery of the rotating shaft, and the seal ring is located between the turbine and the coil shell.

7. The microgenerator of claim 1, wherein the outer wall of the motor housing is externally threaded.

8. The microgenerator of claim 7, wherein the motor housing is recessed with a ring groove on its outer periphery, and an O-ring is embedded in the ring groove and located above the external thread.